JJ in $100r

[JSchnett]

Just got to the table I don't really know how BR plays.
Thoughts on the enitial call?
What to do now?

PokerStars Game #12908591718: Tournament #64645415, $100+$9 Hold'em No Limit - Level IX (300/600) - 2007/10/28 - 21:51:49 (ET)
Table '64645415 18' 9-max Seat #9 is the button
Seat 1: Kenny Rap (9025 in chips)
Seat 2: XAAR (44865 in chips)
Seat 3: SamENole (19660 in chips)
Seat 4: WhatsLogic (20137 in chips)
Seat 5: TomasDan (9720 in chips)
Seat 6: youwannaknow (17235 in chips)
Seat 7: JSchnett (18752 in chips)
Seat 8: brsavage (43024 in chips)
Seat 9: SamyLony (6590 in chips)
Kenny Rap: posts the ante 50
XAAR: posts the ante 50
SamENole: posts the ante 50
WhatsLogic: posts the ante 50
TomasDan: posts the ante 50
youwannaknow: posts the ante 50
JSchnett: posts the ante 50
brsavage: posts the ante 50
SamyLony: posts the ante 50
Kenny Rap: posts small blind 300
XAAR: posts big blind 600
*** HOLE CARDS ***
Dealt to JSchnett [Jc Jd]
SamENole: folds
WhatsLogic: raises 1000 to 1600
TomasDan: folds
youwannaknow: folds
JSchnett: calls 1600
brsavage: raises 3800 to 5400
SamyLony: folds
Kenny Rap: folds
XAAR: folds
WhatsLogic: folds
JSchnett:?